967839 has 4 divisors (see below), whose sum is σ = 1290456. Its totient is φ = 645224.

The previous prime is 967831. The next prime is 967843. The reversal of 967839 is 938769.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 967839 - 2³ = 967831 is a prime.

It is an Ulam number.

It is a D-number.

967839 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 967839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (967831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161304 + ... + 161309.

It is an arithmetic number, because the mean of its divisors is an integer number (322614).

2⁹⁶⁷⁸³⁹ is an apocalyptic number.

967839 is a deficient number, since it is larger than the sum of its proper divisors (322617).

967839 is a wasteful number, since it uses less digits than its factorization.

967839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322616.

The product of its digits is 81648, while the sum is 42.

The square root of 967839 is about 983.7880869374. The cubic root of 967839 is about 98.9162642628.

The spelling of 967839 in words is "nine hundred sixty-seven thousand, eight hundred thirty-nine".